Fix use of Knowledge Base in documentation
Made the use of 'Knowledge Base' consistent in the CONTRIBUTING.md and
README.md files.
diff --git a/README.md b/README.md
index ced36e1..6345848 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@
Depending on your platform, you might run into some issues. Please check the Makefiles in `library/`, `programs/` and `tests/` for options to manually add or remove for specific platforms. You can also check [the Mbed TLS Knowledge Base](https://tls.mbed.org/kb) for articles on your platform or issue.
-In case you find that you need to do something else as well, please let us know what, so we can add it to the [Mbed TLS knowledge base](https://tls.mbed.org/kb).
+In case you find that you need to do something else as well, please let us know what, so we can add it to the [Mbed TLS Knowledge Base](https://tls.mbed.org/kb).
### CMake
@@ -192,7 +192,7 @@
Porting Mbed TLS
----------------
-Mbed TLS can be ported to many different architectures, OS's and platforms. Before starting a port, you may find the following knowledge base articles useful:
+Mbed TLS can be ported to many different architectures, OS's and platforms. Before starting a port, you may find the following Knowledge Base articles useful:
- [Porting Mbed TLS to a new environment or OS](https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS)
- [What external dependencies does Mbed TLS rely on?](https://tls.mbed.org/kb/development/what-external-dependencies-does-mbedtls-rely-on)